#include<bits/stdc++.h>
using namespace std;
int main(){
	float a,b,c,maxn;
	cin>>a>>b>>c;	
	if (a>b&&a>c) maxn=a;
	else  if (b>a&&b>c) maxn=b;
	else maxn=c;
	cout<<maxn<<endl;
}
/**************************************************************
	Problem: 1039
	User: fandaohan
	Language: C++
	Result: Accepted
	Time:7 ms
	Memory:2072 kb
****************************************************************/